<template>
  <div class="app-container planList">
    <el-form v-show="showSearch" ref="queryForm" :model="queryParams" :inline="true">
      <el-form-item label="名称" prop="title">
        <el-input
          v-model="queryParams.title"
          placeholder="请输入图片名称"
          clearable
          size="small"
          style="width: 240px"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>

      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          v-hasPermi="['home:carousel:add']"
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
        >新增</el-button>
      </el-col>

      <el-col :span="1.5">
        <el-button
          v-hasPermi="['home:carousel:remove']"
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
        >删除</el-button>
      </el-col>
      <right-toolbar :show-search.sync="showSearch" @queryTable="getList" />
    </el-row>

    <el-table v-loading="loading" :data="planList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" fixed="left" />

      <el-table-column label="图片名称" prop="title" align="center" show-overflow-tooltip min-width="200" />

      <el-table-column label="图片" align="center" prop="uploadtime" min-width="200">
        <template slot-scope="scope">
          <el-image
            style="width: 100px; height: 100px"
            fit="contain"
            :src="baseUrl + scope.row.imgurl"
            :preview-src-list="[baseUrl + scope.row.imgurl]"
          />
        </template>
      </el-table-column>

      <el-table-column label="描述" prop="describe" align="center" show-overflow-tooltip min-width="200" />

      <el-table-column label="操作" align="center" width="150" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            v-hasPermi="['home:carousel:edit']"
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
          >修改</el-button>
          <el-button
            v-hasPermi="['home:carousel:remove']"
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="600px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="100px">
        <el-row :gutter="100">
          <el-col :span="24">
            <el-form-item label="图片上传" prop="imgurl">
              <FileUpload
                :file-size="5"
                :limit="1"
                :file-type="['png', 'jpg']"
                :value="fileList"
                upload-url="/oa/file/uploadSingleFile"
                @input="uploadFileChange"
              />
            </el-form-item>
          </el-col>

          <el-col :span="24">
            <el-form-item label="描述" prop="describe">
              <el-input v-model="form.describe" type="textarea" placeholder="请输入描述" />
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listCarousel, getCarouselDetail, deleteCarousel, addCarousel, updateCarousel } from '@/api/home/carousel'

export default {
  name: 'Plan',

  data() {
    var validateAttach = (rule, value, callback) => {
      if (!this.form.imgurl) {
        callback(new Error('请上传图片'))
      } else {
        callback()
      }
    }

    return {
      baseUrl: process.env.VUE_APP_BASE_API,
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 表格数据
      planList: [],
      // 上传文件列表
      fileList: [],
      // 弹出层标题
      title: '',
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        title: [
          { required: true, message: '请填写标题', trigger: 'blur' }
        ],
        imgurl: [
          { required: true, validator: validateAttach, trigger: 'blur' }
        ]
      }
    }
  },

  created() {
    this.getList()
  },

  methods: {
    /** 查询列表 */
    getList() {
      this.loading = true
      const params = {
        ...this.queryParams
      }
      console.log('查询列表参数', params)
      listCarousel(params).then(response => {
        this.planList = response.rows
        this.total = response.total
        this.loading = false
      })
    },

    // 取消按钮
    cancel() {
      this.open = false
      this.reset()
    },

    // 表单重置
    reset() {
      this.form = {
        title: undefined,
        describe: undefined,
        imgurl: undefined
      }
      this.fileList = []
      this.resetForm('form')
    },

    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1
      this.getList()
    },

    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm('queryForm')
      this.handleQuery()
    },

    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection // .map(item => item.id)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },

    /** 新增按钮操作 */
    handleAdd() {
      this.reset()
      this.open = true
      this.title = '轮播图新增'
    },

    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset()
      getCarouselDetail(row.id).then(response => {
        this.form = response.data
        this.fileList = [
          {
            name: response.data.title,
            imgurl: response.data.imgurl
          }
        ]
        this.open = true
        this.title = '轮播图修改'
      })
    },

    /** 提交按钮 */
    submitForm: function() {
      this.$refs['form'].validate(valid => {
        if (valid) {
          if (this.title === '轮播图修改') {
            const params = {
              ...this.form
            }
            console.log('修改params', params)
            updateCarousel(params).then(response => {
              this.$modal.msgSuccess('修改成功')
              this.open = false
              this.getList()
            })
          } else {
            const params = {
              ...this.form
            }
            console.log('新增params', params)
            addCarousel(params).then(response => {
              this.$modal.msgSuccess('新增成功')
              this.open = false
              this.getList()
            })
          }
        }
      })
    },

    /** 删除按钮操作 */
    handleDelete(row) {
      const roleIds = row.id || this.ids.map(item => item.id)
      const msg = row.title || this.ids.map(item => item.title)
      this.$modal.confirm('是否确认删除名称为"' + msg + '"的图片？').then(function() {
        return deleteCarousel(roleIds)
      }).then(() => {
        this.getList()
        this.$modal.msgSuccess('删除成功')
      }).catch(() => {})
    },

    // 上传文件增减
    uploadFileChange(list) {
      this.fileList = list
      this.form.imgurl = list.length > 0 ? list[0].url : undefined
      this.form.title = list.length > 0 ? list[0].name : undefined
      console.log('上传的文件', list)
      this.$refs.form.validateField('imgurl')
    }
  }
}
</script>

<style lang="scss" scoped>
// .planList {

// }
</style>
